
<form id="update_password_form" name="update_password_form">
    <fieldset><legend contenteditable="false">修改密码</legend>
        <label contenteditable="false">旧密码</label>
        <input placeholder="请输入旧密码" type="password" id="oldPassword" name="oldPassword"><br>
        <label contenteditable="false">新密码</label>
        <input placeholder="请输入新密码" type="password" id="newPassword" name="newPassword"><br>
        <label contenteditable="false">重复新密码</label>
        <input placeholder="请重复输入新密码" type="password" id="repeatPassword" name="repeatPassword"><br>
        <button class="btn" onclick="updatePassword()" contenteditable="false" type="button">提交</button></fieldset>
</form>